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linux/net/ethtool
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Jakub Kicinski db10fde5c4 net: ethtool: fix ioctl confusing drivers about desired HDS user config 
The legacy ioctl path does not have support for extended attributes.
So we issue a GET to fetch the current settings from the driver,
in an attempt to keep them unchanged. HDS is a bit "special" as
the GET only returns on/off while the SET takes a "ternary" argument
(on/off/default). If the driver was in the "default" setting -
executing the ioctl path binds it to on or off, even tho the user
did not intend to change HDS config.

Factor the relevant logic out of the netlink code and reuse it.

Fixes: 87c8f8496a ("bnxt_en: add support for tcp-data-split ethtool command")
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Tested-by: Daniel Xu <dxu@dxuuu.xyz>
Tested-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250221025141.1132944-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-02-24 14:15:42 -08:00
..
bitset.c ethtool: Fix wrong mod state in case of verbose and no_mask bitset 2024-12-04 18:54:43 -08:00
bitset.h ethtool: add ethnl_parse_bitset() helper 2020-03-12 15:32:32 -07:00
cabletest.c net: ethtool: cable-test: Release RTNL when the PHY isn't found 2024-08-28 17:18:53 -07:00
channels.c ethtool: refactor checking max channels 2024-08-09 21:52:13 -07:00
cmis.h net: ethtool: Add support for writing firmware blocks using EPL payload 2024-10-13 18:02:50 +01:00
cmis_cdb.c net: ethtool: Add support for writing firmware blocks using EPL payload 2024-10-13 18:02:50 +01:00
cmis_fw_update.c net: ethtool: Add support for writing firmware blocks using EPL payload 2024-10-13 18:02:50 +01:00
coalesce.c net: ethtool: Fix the panic caused by dev being null when dumping coalesce 2024-07-01 13:43:50 +01:00
common.c net: ethtool: fix ioctl confusing drivers about desired HDS user config 2025-02-24 14:15:42 -08:00
common.h net: ethtool: fix ioctl confusing drivers about desired HDS user config 2025-02-24 14:15:42 -08:00
debug.c ethtool: netlink: always pass genl_info to .prepare_data 2023-08-15 15:01:03 -07:00
eee.c net: ethtool: eee: Remove legacy _u32 from keee 2024-02-28 12:18:05 +00:00
eeprom.c ethtool: move firmware flashing flag to struct ethtool_netdev_state 2024-07-04 15:45:15 -07:00
features.c ethtool: netlink: Add missing ethnl_ops_begin/complete 2024-01-18 13:21:06 +01:00
fec.c ethtool: netlink: always pass genl_info to .prepare_data 2023-08-15 15:01:03 -07:00
ioctl.c net: ethtool: fix ioctl confusing drivers about desired HDS user config 2025-02-24 14:15:42 -08:00
linkinfo.c Revert "net: ethtool: Avoid thousands of -Wflex-array-member-not-at-end warnings" 2024-11-18 18:52:11 -08:00
linkmodes.c Revert "net: ethtool: Avoid thousands of -Wflex-array-member-not-at-end warnings" 2024-11-18 18:52:11 -08:00
linkstate.c net: ethtool: plumb PHY stats to PHY drivers 2025-01-14 11:44:19 +01:00
Makefile net: ethtool: Add support for tsconfig command to get/set hwtstamp config 2024-12-16 12:51:41 +00:00
mm.c ethtool: netlink: always pass genl_info to .prepare_data 2023-08-15 15:01:03 -07:00
module.c net: ethtool: Monotonically increase the message sequence number 2024-07-13 15:37:36 -07:00
module_fw.h ethtool: Add ability to flash transceiver modules' firmware 2024-06-28 10:48:23 +01:00
netlink.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-01-21 10:24:33 +01:00
netlink.h net: ethtool: add support for configuring hds-thresh 2025-01-15 14:42:11 -08:00
pause.c ethtool: netlink: always pass genl_info to .prepare_data 2023-08-15 15:01:03 -07:00
phc_vclocks.c ethtool: netlink: always pass genl_info to .prepare_data 2023-08-15 15:01:03 -07:00
phy.c net: ethtool: phy: Don't set the context dev pointer for unfiltered DUMP 2024-09-13 21:40:12 -07:00
plca.c net: ethtool: plca: Target the command to the requested PHY 2024-08-23 13:04:34 +01:00
privflags.c ethtool: netlink: always pass genl_info to .prepare_data 2023-08-15 15:01:03 -07:00
pse-pd.c net: pse-pd: Split ethtool_get_status into multiple callbacks 2025-01-14 13:56:32 +01:00
rings.c net: ethtool: fix ioctl confusing drivers about desired HDS user config 2025-02-24 14:15:42 -08:00
rss.c ethtool: rss: fix hiding unsupported fields in dumps 2025-02-03 18:38:52 -08:00
stats.c net: ethtool: add support for structured PHY statistics 2025-01-14 11:44:19 +01:00
strset.c net: ethtool: tsconfig: Fix netlink type of hwtstamp flags 2025-02-06 16:35:21 -08:00
ts.h net: ethtool: tsinfo: Enhance tsinfo to support several hwtstamp by net topology 2024-12-16 12:51:41 +00:00
tsconfig.c net: ethtool: tsconfig: Fix netlink type of hwtstamp flags 2025-02-06 16:35:21 -08:00
tsinfo.c net: ethtool: ts: add separate counter for unconfirmed one-step TX timestamps 2025-01-17 20:01:09 -08:00
tunnels.c genetlink: use attrs from struct genl_info 2023-08-15 15:00:45 -07:00
wol.c net: move ethtool-related netdev state into its own struct 2024-06-28 18:53:17 -07:00